{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T14:34:07Z","timestamp":1774967647757,"version":"3.50.1"},"reference-count":23,"publisher":"MDPI AG","issue":"20","license":[{"start":{"date-parts":[[2024,10,17]],"date-time":"2024-10-17T00:00:00Z","timestamp":1729123200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["U20A0193"],"award-info":[{"award-number":["U20A0193"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["62303482"],"award-info":[{"award-number":["62303482"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The Direction of Arrival (DOA) parameter is a key parameter in directional channel modeling for GNSS systems and multipath suppression. However, achieving high-precision, low-complexity DOA estimation of multiple signal sources without requiring a known source number is still a challenge. This paper introduces a satellite navigation DOA parameter estimation method based on deconvolution beamforming. By exploiting the translational invariance property of the uniform linear array pattern, the deconvolution process is applied to the de-spread array pattern of satellite navigation signals, achieving high-precision estimation of DOA parameters. This method can achieve high-precision blind DOA estimation of multiple signal sources while significantly reducing the estimation complexity. Compared with traditional methods, precise DOA estimation can be achieved even in low-signal-to-noise-ratio conditions and with a small number of elements in the array. The theoretical analysis and simulation results verify the effectiveness of the proposed algorithm.<\/jats:p>","DOI":"10.3390\/rs16203856","type":"journal-article","created":{"date-parts":[[2024,10,17]],"date-time":"2024-10-17T03:49:34Z","timestamp":1729136974000},"page":"3856","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["DOA Estimation of GNSS Signals Based on Deconvolved Conventional Beamforming"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7937-3736","authenticated-orcid":false,"given":"Jian","family":"Wu","sequence":"first","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"},{"name":"Key Laboratory of Satellite Navigation Technology, Changsha 410073, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3261-5619","authenticated-orcid":false,"given":"Chenglong","family":"Li","sequence":"additional","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"},{"name":"Key Laboratory of Satellite Navigation Technology, Changsha 410073, China"}]},{"given":"Honglei","family":"Lin","sequence":"additional","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"},{"name":"Key Laboratory of Satellite Navigation Technology, Changsha 410073, China"}]},{"given":"Xiaomei","family":"Tang","sequence":"additional","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"},{"name":"Key Laboratory of Satellite Navigation Technology, Changsha 410073, China"}]},{"given":"Feixue","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"},{"name":"Key Laboratory of Satellite Navigation Technology, Changsha 410073, China"}]}],"member":"1968","published-online":{"date-parts":[[2024,10,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"20","DOI":"10.1186\/s43020-024-00143-8","article-title":"High-precision services of BeiDou navigation satellite system (BDS): Current state, achievements, and future directions","volume":"5","author":"Gao","year":"2024","journal-title":"Satell. 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